Determine two functions, designated by y1 and y2, such that their union will give the graph of the given equation.x2 + 8x + y2 + 4y = 45
A. y1 = -2 + 
and y2 = -2 - 
B. y1 = -2 - x + 
and y2 = -2 - x + 
C. y1 = -2 + 
and y2 = -2 - 
D. y1 = 2 + 
and y2 = 2 - 
Answer: C
Mathematics
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